君子有九种事情需要考虑到：看，要考虑是否清楚；听，要考虑是否明确；脸色，要考虑是否温和；容貌，要考虑是否恭敬；言语，要考虑是否忠实；做事，要考虑是否认真；疑惑，要考虑是否求教；愤怒，要考虑是否有后患；利益当前，要考虑是否该伸手。

质量不是声明；它是一种证明。

解决数学问题的过程往往比解决方案本身更重要。

The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.

预测未来的最好方法就是去发明它。

"I always try to stay positive, even when things are not going my way."

Innovation is at the heart of what we do, but it must be balanced with responsibility.